Trait NullableBindValue 

pub trait NullableBindValue<'a, V: SQLParam, Expected: DataType>: Sized {
    // Required method
    fn into_nullable_bind_value(self) -> V;
}

An Option<T> that can be bound where a nullable Expected is wanted.

Used by TypedPlaceholder::bind_opt.

Required Methods

fn into_nullable_bind_value(self) -> V

Converts the value into the dialect’s value type (None becomes NULL).

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<V, Expected, T> NullableBindValue<'_, V, Expected> for Option<T>

where V: SQLParam + From<Self>, Expected: DataType + Assignable<<T as ValueTypeForDialect<V::DialectMarker>>::SQLType>, T: ValueTypeForDialect<V::DialectMarker>,

fn into_nullable_bind_value(self) -> V

Implementors